Senior Software Engineer
Senior engineering for fintech & AI products
I help teams ship reliable software — and mentor Brazilian engineers aiming for international roles.
Book a chatKTZ audits
Make Cursor- and Claude-shipped repos production-ready on security, evals, cost, and observability.
Mentorship
Practical guidance for Brazilian engineers targeting remote roles paid in USD.
Engineering
20+ years building platforms — APIs, fintech systems, and the reliability work in between.
Skills
Node.js
TypeScript
React
Next.js
Java
Spring
C#
Go
AWS
Google Cloud
Oracle
MySQL
SQL Server
MongoDB
SQL
Claude
OpenAI
Grok Bot
Open Claw
Kubernetes
Docker
Jenkins
nginx